Peacock signed a minor-league contract with the Twins on Thursday, Brandon Warne of Access Twins reports.
Peacock recently spent a month at Triple-A St. Paul and posted a 2.92 ERA and 0.97 WHIP in 12.1 innings over 12 appearances with the club. He opted out of his contract recently but will rejoin the organization on another minor-league deal a few days later. The right-hander will head back to St. Paul following Thursday's transaction.